Mature size & growth rate

How big does Perfoliate Bellwort (Uvularia perfoliata) get?

Also called Perfoliate Bellwort, Merrybells, Strawbells, Mohawk Weed.

More about perfoliate bellwort

About Perfoliate Bellwort

Uvularia perfoliata · also called Perfoliate Bellwort, Merrybells · flowering

Perfoliate Bellwort is a graceful eastern North American woodland perennial recognizable by its distinctive stem-clasping, perfoliate leaves — the stem appears to pass through the leaf base. In mid-spring it bears pale yellow, bell-shaped pendulous flowers with a distinctive mealy texture inside the petals. An excellent long-lived specimen for shaded native gardens and woodland borders.

Mature size: 30–45 cm (12–18 in) tall; clumps 20–30 cm (8–12 in) wide

Watch for — Slug and snail damage: Emerging shoots are favored by slugs in wet springs. Apply iron phosphate bait around clumps as new growth appears. The plant recovers well if damage is limited to a few stems.

Indoor size vs how big it gets in the wild

Perfoliate Bellwort stays fairly low but widens over time — it spreads into a bigger clump by offsets, runners or rhizomes rather than shooting upward. Indoors and in a pot, expect 30–45 cm (12–18 in) tall. In the ground with no restriction it is a completely different plant — clumps 20–30 cm (8–12 in) wide — which is why the pot, the light and the pruning matter so much for the size you actually end up with.

Size here is about width, not height: the plant builds an ever-wider clump or sends out plantlets and runners while staying relatively short.

Growth rate and years to mature

Perfoliate Bellwort is a moderate grower. Realistically, expect three to six years to reach mature indoor size, gaining a steady amount each growing season. Its feeding profile backs this up: a light top-dressing of leaf compost or balanced slow-release granular fertilizer (e.g., 5-10-5) in spring supports growth in poorer soils. well-established plants in rich woodland soil rarely need supplemental feeding. mulch with compost or chopped leaves in spring.

Want this turned into the right next pot at the right moment? The pot size calculator and the perfoliate bellwort repotting guide cover when and how much to size up — pot size is one of the biggest levers on how fast perfoliate bellwort grows.

How to keep perfoliate bellwort smaller

You are not stuck with the maximum size. For perfoliate bellwort specifically, these are the levers, in order of impact:

Divide the clump every year or two — splitting perfoliate bellwort is the main way to control its spread and refresh it.
Remove runners, plantlets or offsets as they appear if you want it to stay a single tight clump.
Keep it slightly pot-bound; a snug pot naturally limits how wide the clump can get.

The keep-it-smaller method, step by step

Lift the whole plant. Slide perfoliate bellwort out of its pot in spring when the clump has filled it.
Split the clump. Tease or cut the rootball into two or more sections, each with healthy roots and growth.
Repot one division. Put a single division back in the original pot to reset it to a smaller size; pot or give away the rest.
Remove offsets as they form. Through the year, detach new runners or pups to stop it spreading again.

How to grow perfoliate bellwort bigger or faster

If you want it to fill the space sooner, push the conditions rather than hoping — for perfoliate bellwort the accelerators are:

Give it a wider pot and let the clump fill it — width is exactly how this plant gets bigger.
Brighter light speeds up clump and offset production noticeably.
Leave plantlets and offsets attached and feed through the growing season for the fastest spread.

Light is almost always the ceiling. The perfoliate bellwort light requirements page covers exactly how bright a spot it needs to grow at its potential instead of stalling.

When perfoliate bellwort outgrows the room (or the pot)

"Too big" usually arrives as one of these signs for perfoliate bellwort:

The clump bulging over the pot rim or splitting the pot — the cue to divide, not to find a bigger room.
A dense centre that goes bare or tired while the edges keep spreading.
Runners or offsets escaping across the shelf or into neighbouring pots.

If it is the pot rather than the room, it is a repotting job, not a goodbye — see the perfoliate bellwort repotting guide. If you want more of this plant instead of a bigger one, the perfoliate bellwort propagation guide turns prunings into new plants.

Perfoliate Bellwort size — frequently asked questions

How big does perfoliate bellwort get?

Perfoliate Bellwort reaches 30–45 cm (12–18 in) tall when grown indoors, and far larger where it grows unrestricted (clumps 20–30 cm (8–12 in) wide). Size here is about width, not height: the plant builds an ever-wider clump or sends out plantlets and runners while staying relatively short.

Is perfoliate bellwort slow or fast growing?

Perfoliate Bellwort is a moderate grower. Expect three to six years to reach mature indoor size, gaining a steady amount each growing season. Perfoliate Bellwort stays fairly low but widens over time — it spreads into a bigger clump by offsets, runners or rhizomes rather than shooting upward.

How long does perfoliate bellwort take to reach full size?

Roughly three to six years to reach mature indoor size, gaining a steady amount each growing season. Light, pot size and feeding move that timeline more than anything else.

How do I keep perfoliate bellwort smaller?

Divide the clump every year or two — splitting perfoliate bellwort is the main way to control its spread and refresh it. Remove runners, plantlets or offsets as they appear if you want it to stay a single tight clump. Keep it slightly pot-bound; a snug pot naturally limits how wide the clump can get.

How can I make perfoliate bellwort grow bigger or faster?

Give it a wider pot and let the clump fill it — width is exactly how this plant gets bigger. Brighter light speeds up clump and offset production noticeably. Leave plantlets and offsets attached and feed through the growing season for the fastest spread.